Maps and Legends 9 REFERENCES "Maps and Mapping," in the New Encyclopedia Britannica, Helen Hemingway Benton, Chicago, 1974. Mapping, by David Greenwood, The University of Chicago Press, Chicago, 1964. Elements of Cartography, by Arthur H. Robinson and Randall D. Sale, 3rd edition, Wiley, New York, 1969. Introduction to the Mathematics of Map Projections, by Robert Keith Melluish, Cambridge University Press, Cambridge, 1931. Computer generated maps for a microcomputer are described by W.D. Johnston in: "Computer Generated Maps," Part 1, Byte, 4, 10, May 1979. and "Computer Generated Maps," Part 2, Byte, 4, 100, June 1979. **Degas is a trademarked name for Batteries Included's graphic art and entertainment drawing system. Page 26